Elementary school science 4 pupil's guide

ग्रंथसूची विवरण
निगमित लेखक: Science Education Center, University of the Philippines
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Quezon City Science Education Center University of the Philippines, c1969.
संस्करण:Expt. ed.
विषय: